diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index 8564784..e1895d9 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -224,7 +224,7 @@
 
 static int ssl_chan_setup(char *str)
 {
-	return line_setup(serial_lines, ARRAY_SIZE(serial_lines), str, 1);
+	return line_setup(serial_lines, ARRAY_SIZE(serial_lines), str);
 }
 
 __setup("ssl", ssl_chan_setup);